21440012314 has 8 divisors (see below), whose sum is σ = 36754306848. Its totient is φ = 9188576700.

The previous prime is 21440012309. The next prime is 21440012323. The reversal of 21440012314 is 41321004412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 765714712 + ... + 765714739.

It is an arithmetic number, because the mean of its divisors is an integer number (4594288356).

Almost surely, 2^21440012314 is an apocalyptic number.

21440012314 is a deficient number, since it is larger than the sum of its proper divisors (15314294534).

21440012314 is a wasteful number, since it uses less digits than its factorization.

21440012314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531429460.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 21440012314 its reverse (41321004412), we get a palindrome (62761016726).

The spelling of 21440012314 in words is "twenty-one billion, four hundred forty million, twelve thousand, three hundred fourteen".